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java Programming Glossary: writerFastest way to write huge data in text file Java http://stackoverflow.com/questions/1062113/fastest-way-to-write-huge-data-in-text-file-java File file File.createTempFile foo .txt try FileWriter writer new FileWriter file System.out.print Writing raw... write records.. file System.out.print Writing raw... write records writer finally comment this out if you want to inspect the files afterward.. File file File.createTempFile foo .txt try FileWriter writer new FileWriter file BufferedWriter bufferedWriter new BufferedWriter..
Java - Find a line in a file and remove http://stackoverflow.com/questions/1377279/java-find-a-line-in-a-file-and-remove file. I have omitted error handling closing of readers writers etc. from the example. I also assume there is no leading or.. new BufferedReader new FileReader inputFile BufferedWriter writer new BufferedWriter new FileWriter tempFile String lineToRemove.. if trimmedLine.equals lineToRemove continue writer.write currentLine boolean successful tempFile.renameTo inputFile..
How to append text to an existing file in Java http://stackoverflow.com/questions/1625234/how-to-append-text-to-an-existing-file-in-java . Using a BufferedWriter is recommended for an expensive writer i.e. a FileWriter and using a PrintWriter gives you access to..
How to Find Default Charset/Encoding in Java? http://stackoverflow.com/questions/1749064/how-to-find-default-charset-encoding-in-java private static String getDefaultCharSet OutputStreamWriter writer new OutputStreamWriter new ByteArrayOutputStream String enc.. OutputStreamWriter new ByteArrayOutputStream String enc writer.getEncoding return enc Our server requires default charset..
How to use java.net.URLConnection to fire and handle HTTP requests? http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests Type multipart form data boundary boundary PrintWriter writer null try OutputStream output connection.getOutputStream writer.. null try OutputStream output connection.getOutputStream writer new PrintWriter new OutputStreamWriter output charset true true.. charset true true autoFlush important Send normal param. writer.append boundary .append CRLF writer.append Content Disposition..
Java: how to create and write to a file http://stackoverflow.com/questions/2885173/java-how-to-create-and-write-to-a-file will overwrite the file if it already exists PrintWriter writer new PrintWriter the file name.txt UTF 8 writer.println The first.. PrintWriter writer new PrintWriter the file name.txt UTF 8 writer.println The first line writer.println The second line writer.close.. the file name.txt UTF 8 writer.println The first line writer.println The second line writer.close Creating a binary file..
Read/convert an InputStream to a String http://stackoverflow.com/questions/309424/read-convert-an-inputstream-to-a-string into a StringWriter ... something like StringWriter writer new StringWriter IOUtils.copy inputStream writer encoding String.. writer new StringWriter IOUtils.copy inputStream writer encoding String theString writer.toString Alternatively you.. IOUtils.copy inputStream writer encoding String theString writer.toString Alternatively you could use ByteArrayOutputStream if..
Howto unescape a Java string literal in Java http://stackoverflow.com/questions/3537706/howto-unescape-a-java-string-literal-in-java full of annoying carriage returns. It ™s written to take a writer argument so if you don ™t pass it one it still has to create..
Java Process with Input/Output Stream http://stackoverflow.com/questions/3643939/java-process-with-input-output-stream BufferedReader new InputStreamReader stdout BufferedWriter writer new BufferedWriter new OutputStreamWriter stdin String input.. stdin String input scan.nextLine input n writer.write input writer.flush input scan.nextLine input n writer.write.. String input scan.nextLine input n writer.write input writer.flush input scan.nextLine input n writer.write input writer.flush..
Is it possible to read from a InputStream with a timeout? http://stackoverflow.com/questions/804951/is-it-possible-to-read-from-a-inputstream-with-a-timeout inputStream new PipedInputStream outputStream I have writer that writes some data then waits for 5 seconds before writing.. in 5001ms If there was a more fundamental problem like the writer not responding the reader would block for ever. If I wrap the..
Fastest way to write huge data in text file Java http://stackoverflow.com/questions/1062113/fastest-way-to-write-huge-data-in-text-file-java I have to write huge data in text csv file. I used BufferedWriter to write the data and it took around 40 secs to write 174 mb.. of data. Is this the fastest speed java can offer bufferedWriter new BufferedWriter new FileWriter fileName.csv Note These 40.. fastest speed java can offer bufferedWriter new BufferedWriter new FileWriter fileName.csv Note These 40 secs include the time..
How can I make a multipart/form-data POST request using Java? http://stackoverflow.com/questions/1378920/how-can-i-make-a-multipart-form-data-post-request-using-java request Background I want to use the Remote API of Zoho Writer . java http multipart share improve this question We use..
How to pretty print XML from Java? http://stackoverflow.com/questions/139076/how-to-pretty-print-xml-from-java import java.io.StringReader import java.io.StringWriter import java.io.Writer Pretty prints xml supplied as a string... import java.io.StringWriter import java.io.Writer Pretty prints xml supplied as a string. p eg. code String formattedXml.. 65 format.setIndenting true format.setIndent 2 Writer out new StringWriter XMLSerializer serializer new XMLSerializer..
Capture generated dynamic content at server side http://stackoverflow.com/questions/1963158/capture-generated-dynamic-content-at-server-side ServletResponse with a custom implementation of the PrintWriter with the five write methods been overridden wherein you copy.. import java.io.IOException import java.io.OutputStreamWriter import java.io.PrintWriter import java.io.Writer import javax.servlet.Filter.. import java.io.OutputStreamWriter import java.io.PrintWriter import java.io.Writer import javax.servlet.Filter import javax.servlet.FilterChain..
Capture and log the response body http://stackoverflow.com/questions/3242236/capture-and-log-the-response-body implementation which replaces the HttpServletResponse#getWriter with an own implementation which copies the response body into.. chain throws IOException ServletException final CopyPrintWriter writer new CopyPrintWriter response.getWriter chain.doFilter.. ServletException final CopyPrintWriter writer new CopyPrintWriter response.getWriter chain.doFilter request new HttpServletResponseWrapper..
Reading streams from java Runtime.exec http://stackoverflow.com/questions/3343066/reading-streams-from-java-runtime-exec that will feed the input pipe of the process @param out Writer that will receive the output of the process @param err Writer.. that will receive the output of the process @param err Writer that will receive the error pipe of the process public static.. void communicate Process process final Reader _in final Writer out final Writer err Buffer the input reader final BufferedReader..
http://stackoverflow.com/questions/4230499/java-to-xml-conversions else You can leverage the concepts of MessageBodyReader Writer to use other XML tools. Use Case #9 Compatibility with Spring..
How to add a new line of text to an existing file in Java? http://stackoverflow.com/questions/4614227/how-to-add-a-new-line-of-text-to-an-existing-file-in-java here is the methodology that I am using the current time Writer output output new BufferedWriter new FileWriter my_file_name.. am using the current time Writer output output new BufferedWriter new FileWriter my_file_name output.append New Line output.close.. time Writer output output new BufferedWriter new FileWriter my_file_name output.append New Line output.close The problem..
How do I correctly decode unicode parameters passed to a servlet http://stackoverflow.com/questions/469874/how-do-i-correctly-decode-unicode-parameters-passed-to-a-servlet Yahoo E2 84 A2 and passed to SERVLET . If in SERVLET I do Writer writer response.getWriter writer.write request.getParameter.. to SERVLET . If in SERVLET I do Writer writer response.getWriter writer.write request.getParameter external_title I get Yahoo.. SERVLET to response.setContentType text html charset utf 8 Writer writer response.getWriter writer.write request.getParameter..
PrintWriter vs FileWriter in Java http://stackoverflow.com/questions/5759925/printwriter-vs-filewriter-in-java vs FileWriter in Java Are PrintWriter and FileWriter in Java.. vs FileWriter in Java Are PrintWriter and FileWriter in Java the same and.. vs FileWriter in Java Are PrintWriter and FileWriter in Java the same and no matter which one to use..
Does close ever throw an IOException? http://stackoverflow.com/questions/588546/does-close-ever-throw-an-ioexception there any cases in which calling close on a Stream Reader Writer actually throws an IOException If an exception is actually thrown..
Read a file line by line in reverse order http://stackoverflow.com/questions/6011345/read-a-file-line-by-line-in-reverse-order order. My actual code is response.setContentType text PrintWriter out response.getWriter try FileReader logReader new FileReader.. response.setContentType text PrintWriter out response.getWriter try FileReader logReader new FileReader logfile.log try BufferedReader.. than the answers listed. 1 Create a subclass of Writer that writes the encoded bytes of each character in reverse order..
List of useful environment settings in Java http://stackoverflow.com/questions/7585699/list-of-useful-environment-settings-in-java data mergeArrays Reader ImageIO.getReaderFileSuffixes Writer ImageIO.getWriterFileSuffixes columnNames new String Input Output.. Reader ImageIO.getReaderFileSuffixes Writer ImageIO.getWriterFileSuffixes columnNames new String Input Output Image File Suffixes.. md data mergeArrays Reader ImageIO.getReaderMIMETypes Writer ImageIO.getWriterMIMETypes columnNames new String Input Output..
http://stackoverflow.com/questions/935175/convert-string-to-code of the following objects most of which can remain null Writer out null JavaFileManager fileManager null DiagnosticListener..
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